帮我找出下面这一段话每个句子的主谓宾语以及从句,最好告诉我是怎么分的

John Snow was a famous doctor in London-so expert,indeed,that he attended Queen Vitoria as her personal physiciann.
这实际上是两个句子,第二句子是省略句.
主 John Snow
系动词 was
表语 a doctor
表语的定语 famous,in london
省略的句子主语：John Snow
省略的系动词：was
表语：so expert
状语：indeed.
结果状语从句：that he attended Queen Vitoria as her personal physician.
But he became inspired when he thought about helping ordinary people exposed to cholera.
并列连词：but
主语：he
系动词：became
表语：inspired
时间状语从句：when he thought about helping ordinary people exposed to cholera.
xposed to cholera,ordinary都是people的定语
This was deadly disease of its day.
主语：This
系动词：was
表语的定语：deadly,of its day
表语：disease
Neither its cause nor its cure was understood.
主语：Neither its cause nor its cure
系动词：was
表语：understood.
So many thousands of terrified people died every time there was an outbreak .
So 并列连词
主语：people
主语定语 many thousands of,terrified
谓语动词：died
状语：every time
状语定语：there was an outbreak
John Snow wanted to face the challenge and solve this problem.
第一层：
主语：John Snow
谓语：wanted
动词不定时当宾语：to face the challenge and solve this problem.
第二层：
动词不定式to face的宾语：the challenge
由于前面有to,所以 to solve this problem 的 to省略了.
动词不定式to solve的宾语：this problem.
He knew that cholera would never be controlled until its cause was found.
第一层：
主语：He
谓语动词：knew
that引导的宾语从句：that cholera would never be controlled util its cause was found.
宾语从句分析：
that 连词
主语:cholera
复合系动词：would be
丢失系动词be的副词：never
表语：controlled
结果状语从句：util its cause was found.
结果状语从句分析：
util:连词
主语：its cause
系动词：was
表语：found.